Let's Make It Count is a data science education initiative launched by the National Science Foundation West Big Data Innovation Hub at SXSW 2019, timed with the 2020 Census and in partnership with the U.S. Census Bureau's Statistics in Schools program. This material is based upon work supported by the National Science Foundation under Grants 1916573, 1916481, 1915774, as part of a national network of Regional Big Data Innovation Hubs.